Home / 2,388.38-3,575.61-1,774.80

Finding the Fourth Proportional to 2,388.38, 3,575.61 and 1,774.80

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Solution

The fourth proportional to 2,388.38, 3,575.61 and 1,774.80 is: 2,657.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.38 : 3,575.61 = 1,774.80 : x
  2. Step 2: Convert to fraction form
    2,388.38/3,575.61 = 1,774.80/x
  3. Step 3: Cross multiply
    2,388.38x = 3,575.61 × 1,774.80
  4. Step 4: Simplify right side
    2,388.38x = 6,345,992.63
  5. Step 5: Solve for x
    x = 6,345,992.63/2,388.38
  6. Step 6: Final answer
    x = 2,657.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.